Beamish, Paul W., 1953-, author
Irwin, 1997
Buku Teks
by Joseph C. Latona ... [and others]
South-Western Publishing, 1984
Buku Teks
Wieck, Ingo, author
[Springer, ], 2012
eBooks
Springer Cham, 2019
eBooks
Quelch, John A., author
Prentice-Hall, 2001
Buku Teks